MEDIUM n.
which an effect is transmitted from one thing to another; as, air is the common medium of sound. Hence: The condition upon which any event or action occurs; necessary means of motion or action; that through or by which anything is accomplished, conveyed, or carried on; specifically, in animal magnetism, spiritualism, e…
MELLOW a.
Not coarse, rough, or harsh; subdued; soft; rich; delicate; -- said of sound, color, flavor, style, etc. "The mellow horn." Wordsworth. "The mellow-tasted Burgundy." Thomson. The tender flush whose mellow stain imbues Heaven with all freaks of light. Percival.